http://digfir-published.macmillanusa.com/video_inter_comm/video_inter_comm_ch15_1.html
1.1 Communal Friendships
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http://digfir-published.macmillanusa.com/video_inter_comm/video_inter_comm_ch15_1_dlap.xmlDLAP questions534ee038757a2e1222000000